2(-7)+9(3)=13

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Solution for 2(-7)+9(3)=13 equation: 


Simplifying
2(-7) + 9(3) = 13

Multiply 2 * -7
-14 + 9(3) = 13

Multiply 9 * 3
-14 + 27 = 13

Combine like terms: -14 + 27 = 13
13 = 13

Add '-13' to each side of the equation.
13 + -13 = 13 + -13

Combine like terms: 13 + -13 = 0
0 = 13 + -13

Combine like terms: 13 + -13 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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